The moment is January 20, 12:00 PM ET, when the 44th President Obama takes the presidential oath of office. CNN is asking people who will be attending the inauguration to help document the historical moment with a special photography assignment. Specifically, CNN wants you to:

1. Take one photo of the moment when Obama takes the oath. If you have a digital camera with a zoom lens, take three photos (wide-angle, mid-zoom, full-zoom)2. E-mail each photo as soon as possible to themoment@cnn.com (one photo per message, 10MB size limit). Don’t forget to include your name in the message if you’d like to appear in the list of the contributors. Please only send in photos you took yourself.3. Go to cnn.com/themoment to see all of the photos in our photosynth

If you are not familiar with Photosynth, it is a technology developed in Microsoft’s research labs. The technology can construct a 3D scene using a collections of 2D photos of the scene taken at different angles and zoom levels. It may sound complicated but it is very easy to create your own synth. To learn more on how to create your own synth, please visit http://photosynth.net/.

Updated on January 20, 2009: Check out the synth here. It is pretty cool.